the Moon, but failed to enter lunar orbit. The mission launched as a secondary payload on Artemis I.

Three SIMPLEx-2 missions were selected in 2019. Janus was going to launch with Psyche and fly past multiple binary asteroid, but was removed from that mission due to the Psyche spacecraft being delayed. Lunar Trailblazer launched with the IM-2 mission to study the Moon's geology and map its water.